250129741 has 2 divisors, whose sum is σ = 250129742. Its totient is φ = 250129740.

The previous prime is 250129717. The next prime is 250129751. The reversal of 250129741 is 147921052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236513641 + 13616100 = 15379^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 250129741 - 2⁵ = 250129709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250129751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125064870 + 125064871.

It is an arithmetic number, because the mean of its divisors is an integer number (125064871).

Almost surely, 2^250129741 is an apocalyptic number.

It is an amenable number.

250129741 is a deficient number, since it is larger than the sum of its proper divisors (1).

250129741 is an equidigital number, since it uses as much as digits as its factorization.

250129741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 250129741 is about 15815.4905393415. The cubic root of 250129741 is about 630.0694817127.

The spelling of 250129741 in words is "two hundred fifty million, one hundred twenty-nine thousand, seven hundred forty-one".